the amount of foundries in the world is so small that it's the equivalent of saying you're required to be a transnational corporation to participate at all in the endgame when the cartels form.
Did you know: it won't be like that forever. Possibly not for much longer, I'd be tempted to estimate a ~15 year shelf life for that paradigm.
It won't matter. When you read my whitepaper, you will understand unequivocally why PoW is doomed to a winner-take-all power vacuum.
Don't you remember AnonyMint telling you two years ago that he was going to improve upon Bitcoin and Monero. Did you think I was joking?